50227572013 has 4 divisors (see below), whose sum is σ = 50235243388. Its totient is φ = 50219900640.

The previous prime is 50227572007. The next prime is 50227572023. The reversal of 50227572013 is 31027572205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16164071044 + 34063500969 = 127138^2 + 184563^2 .

It is a cyclic number.

It is not a de Polignac number, because 50227572013 - 2⁹ = 50227571501 is a prime.

It is a super-2 number, since 2×50227572013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50227572013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50227572023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825858 + ... + 3838963.

It is an arithmetic number, because the mean of its divisors is an integer number (12558810847).

Almost surely, 2^50227572013 is an apocalyptic number.

It is an amenable number.

50227572013 is a deficient number, since it is larger than the sum of its proper divisors (7671375).

50227572013 is an equidigital number, since it uses as much as digits as its factorization.

50227572013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671374.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 50227572013 in words is "fifty billion, two hundred twenty-seven million, five hundred seventy-two thousand, thirteen".